Surgical instrument



FIG. 1 is a front left perspective view of the surgical instrument.

FIG. 2 is a left view thereof.

FIG. 3 is a right side view thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof. 

CLAIM The ornamental design for a surgical instrument, as shown and described. 